Potentilla gracilis var. gracilis

From Puget Prairie Plants
Revision as of 10:39, 8 May 2012 by Stamic06 (Talk | contribs) (Description)

Common names Slender cinquefoil

Abbreviation code POGR


  • Kingdom: Plantae
  • (unranked): Angiosperms
  • (unranked): Eudicots
  • Order: Rosales
  • Family: Rosaceae
  • Subfamily: Rosoideae
  • Genus: Potentilla
  • Species: P. gracilis


General: Highly variable perennial from a branched crown, the several ascending or erect stems 4-8 dm. tall.

Leaves: Basal leaves numerous, with petioles to 3 dm. long, palmately divided; the leaflets 7-9, broadly oblanceolate to oblong-elliptic, varying from glabrous and green on both surfaces to hairy above and white-woolly below, toothed to deeply dissected; cauline leaves 1-2, reduced; stipules up to 2.5 cm. long, entire to lacerate.

Flowers: Inflorescence large, many-flowered, open, somewhat flat-topped; calyx 6-10 mm. broad, the 5 lobes 4-10 mm. long, ovate-lanceolate, the alternating bracteoles narrowly lanceolate, nearly as long; petals 5, yellow, obcordate, longer than the sepals; stamens 20; pistils numerous, the style slender, sub-terminal on the achene and the same length.

Fruit: Achene 1.5-2 mm. long, smooth, greenish.

Bloom Period





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